19388611220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1327}}^1\times {\mathrm{66413}}^1$

素因数の和:67760

約数の個数: 48

約数和(自身を含む): 44451687168

約数和(自身を除く): 25063075948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1327, 2654, 5308, 6635, 13270, 14597, 26540, 29194, 58388, 66413, 72985, 132826, 145970, 265652, 291940, 332065, 664130, 730543, 1328260, 1461086, 2922172, 3652715, 7305430, 14610860, 88130051, 176260102, 352520204, 440650255, 881300510, 969430561, 1762601020, 1938861122, 3877722244, 4847152805, 9694305610, 19388611220]

約数ペア:

[(1, 19388611220), (2, 9694305610), (4, 4847152805), (5, 3877722244), (10, 1938861122), (11, 1762601020), (20, 969430561), (22, 881300510), (44, 440650255), (55, 352520204), (110, 176260102), (220, 88130051), (1327, 14610860), (2654, 7305430), (5308, 3652715), (6635, 2922172), (13270, 1461086), (14597, 1328260), (26540, 730543), (29194, 664130), (58388, 332065), (66413, 291940), (72985, 265652), (132826, 145970)]